Switching apparatus for telephone set



FIG. 1 is a front view of a switching apparatus for telephone set embodying our design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a reduced perspective view thereof;

FIG. 6 is a left side elevation thereof;

FIG. 7 is a right side elevation thereof;

FIG. 8 is a magnified sectioned view thereof on line A—A with internal mechanisms omitted; and,

FIG. 9 is a magnified sectioned view thereof on line B—B with internal mechanisms omitted. 

The ornamental design for a switching apparatus for telephone set, substantially as shown and described. 